Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September brings a marginal elevation to a refreshing 18.5°C (65.3°F) from August's 21.1°C (70°F) in Withyham's average high-temperatures. During the month of September, the temperature falls to an average of 11.6°C (52.9°F).Humidity
The average relative humidity in September is 79%.Rainfall
In Withyham, United Kingdom, in September, it is raining for 10.2 days, with typically 21mm (0.83") of accumulated precipitation. Throughout the year, there are 160.6 rainfall days, and 372mm (14.65") of precipitation is accumulated.Snowfall
In Withyham, snow does not fall in May through October.Daylight
In Withyham, the average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 6:13 am and sunset at 7:44 pm. On the last day of September, in Withyham, United Kingdom, sunrise is at 6:59 am and sunset at 6:39 pm BST.
Sunshine
The average sunshine in September in Withyham is 7.8h.UV index
In September, the average daily maximum UV index in Withyham is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Adopt protective measures - It is advised to guard against sun damage. When the Sun is at its strongest around midday, find shade and limit exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Frequently asked questions
What is the temperature in September in Withyham?
What is the average humidity in September in Withyham?
How many days does it rain in September in Withyham?
When it does not snow in Withyham?
What is the average length of the day in September in Withyham?
When is the sunrise / sunset in September in Withyham?
How long on average sun shines in September in Withyham?
How high is the UV index in September in Withyham?
Average temperature in September
Withyham, United Kingdom
- Average high temperature in September: 18.5°C
The warmest months (with the highest average high temperature) are July and August (21.1°C).
The month with the lowest average high temperature is January (7°C).
- Average low temperature in September: 11.6°C
The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is January (2.6°C).
Average pressure in September
Withyham, United Kingdom
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1010.9mbar).
Average wind speed in September
Withyham, United Kingdom
- Average wind speed in September: 13.9km/h
The windiest month (with the highest average wind speed) is February (18.8km/h).
The calmest month (with the lowest average wind speed) is July (13.7km/h).
Average humidity in September
Withyham, United Kingdom
- Average humidity in September: 79%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (77%).
Average rainfall in September
Withyham, United Kingdom
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is December (43mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Withyham, United Kingdom
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is November (16 days).
The month with the least rainy days is September (10.2 days).
Average snowfall in September
Withyham, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (19mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Withyham, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Withyham, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 7h and 5min
The months with the most sunshine are July and August (Average sunshine: 8h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in September
Withyham, United Kingdom
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is November (11.5 days).
Average UV index in September
Withyham, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Withyham, United Kingdom
- Average cloud cover in September: 44
The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 44).
Average visibility in September
Withyham, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Withyham, United Kingdom
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